Re: [M100] Assembly question: free RAM

2017-02-02 Thread Willard Goosey
OK, so the stack is down in free RAM, good to know. I was afraid it was some 16-byte block up above MAXRAM. :-) Willard Sent from Samsung tablet

Re: [M100] Assembly question: free RAM

2017-02-01 Thread John R. Hogerhuis
The stack on the 8085 grows down from high memory, towards your files. I think it can fill all unreserved RAM, and then some (if you're not careful). Given that it is critical for interrupt handling it is very well protected by the ROM. So, safe as houses (while your .CO is running). Basically,

Re: [M100] Assembly question: free RAM

2017-02-01 Thread Willard Goosey
3 AM (GMT-07:00) To Model 100 Discussion <m100@lists.bitchin100.com> Subject Re: [M100] Assembly question: free RAM Hi Willard, Actually, all files grow upwards from the bottom of RAM.  BASIC files are first, TEXT files are second, .CO files are last.  As you add lines to BASIC or TEXT

Re: [M100] Assembly question: free RAM

2017-01-31 Thread John R. Hogerhuis
On Tue, Jan 31, 2017 at 11:14 PM, Willard Goosey wrote: > I know BASIC files grow upwards from the bottom of RAM, and other files > grow downward from the top. Are there system pointers to the end of BASIC > files and the end of data files? > > I'm thinking of a .CO file that

[M100] Assembly question: free RAM

2017-01-31 Thread Willard Goosey
I know BASIC files grow upwards from the bottom of RAM, and other files grow downward from the top. Are there system pointers  to the end of BASIC files and the end of data files? I'm thinking of a .CO file that would need a fairly large buffer space... Can I just put my (volatile) data in the